43726741772 has 24 divisors (see below), whose sum is σ = 87571228416. Its totient is φ = 18714801168.

The previous prime is 43726741771. The next prime is 43726741781. The reversal of 43726741772 is 27714762734.

It is a self number, because there is not a number n which added to its sum of digits gives 43726741772.

It is not an unprimeable number, because it can be changed into a prime (43726741771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030118 + ... + 1071725.

It is an arithmetic number, because the mean of its divisors is an integer number (3648801184).

Almost surely, 2^43726741772 is an apocalyptic number.

It is an amenable number.

43726741772 is an abundant number, since it is smaller than the sum of its proper divisors (43844486644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43726741772 is a wasteful number, since it uses less digits than its factorization.

43726741772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102597 (or 2102595 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 50.

The spelling of 43726741772 in words is "forty-three billion, seven hundred twenty-six million, seven hundred forty-one thousand, seven hundred seventy-two".